I need help solving this question please with an explanation.

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

(x-5)1/2+5=2 what is possible solution of this equation

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?